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Potassium Sensor Development
As previously stated in my initial post (found here https://trace-bmps.org/nanomembranes-in-potassium-ion-selective-electrodes), I am in the process of developing a potassium Ion Selective Electrode (ISE) Sensor using our chips. Along the way I have gathered all sorts of curious but interesting data, with observations bringing both old discoveries and new oddities to light. Outlined below are some…
Counterflow System Prototype Successfully Implemented
ByHenryHi all, After a brief hiatus from winter break and my paper writing Mike and i have resumed our work on fabricating the counetrflow system, and we do have a success. Fabrication: The counterflow system is constructed based on oxide-layer protected pnc-Si, hosted within the V-notched Si-wafer that Dave specially produced for us. The membrane…
Absorption of Carbon Dioxide into Cell Media Using Nanomembrane Technology-Updated!
It is of interest to investigate the properties of CO2 transfer into a cell culture media using nanomembrane technologies. Maintaining the pH of the cell culture medium is critical to cell viability. Most cell lines grow well at pH 7.4 and are inhibited by growth at pH 6.8. Glucose is usually the sugar included in…
Separation Repeats
I wanted to have 3 repeats of the previous salt-tuned separations. I’ve gone through and performed the densitometry on a couple more gels and compiled the results. 100mM: The first two experiments were from the two experiments set up on the same day. The third (yellow triangle) was set up a different day and does…
Experimental Validation of COMSOL Results
ByKileanOkay, so after navigating this weird new method for posting, I have a semi interesting post today. I have been working on the experimental validation of my COMSOL predicted capture results and have finally completed the first round of those experiments (I say this after looking at the data). The experiments have been carried out…
IV curve analysis of 20 nm NPN
These chips were 2.9 mm TEM grid with a single 25 um window. 20 nm thick NPN is covered with 100 nm TEOS with a 2 um opening to expose ~1000 pores. Wafer number 2176. Following are IV curve analyses for the above material as well as membranes treated with ALD alumina. These were measured…